Viagra: Interesting Facts about Drug

In recent years quite effective vasoactive drug for erectile dysfunction treatment – Viagra (Sildenafil citrate) – appeared on the pharmaceutical market, its efficiency is 70%. Sexual intercourse is a complex process consisting of several «components». Sildenafil works only to provoke an erection.

Facts about Viagra

Viagra – is surrounded by a great number of myths. Fiction is often difficult to distinguish from reality if you do not possess information about this popular drug.

It is not an aphrodisiac. It doesn’t increase sexual desire but only helps improve erection during sexual stimulation. Drugs from dull, unattractive partner, unfortunately, were not invented yet.

Viagra has passed all necessary pharmacological tests and received FDA approval for its use in various countries.

This ED drug was discovered accidentally in the laboratory of Kentucky state, US. In late 80-ies, scientists were developing a new drug for cardiac angina when they noticed a strange side effect, causing an erection improvement in volunteers. The effect was so great that even after experiments completion, participants demanded to continue treatment.

The main effect is achieved due to blood vessels widening, which bring more blood to heart, lungs and other organs. Moreover, Viagra relaxes penile smooth muscles. About 70% of men reported improved erection.

The drug effect appears within 30 minutes after administration and lasts for about 5 hours. Blue pill is advised to take at least 1 hour before planned sexual intercourse. In most cases, sildenafil shows its effect at first or second administration. In some cases, it takes more attempts, so you should try it at least 4 times before you make a conclusion about its ineffectiveness.

not cause erection automatically – it just enhances it, so in any case, sexual stimulation is required to receive effect.

Nearly half of Viagra pills amount sold on the internet is fake. Experts from City University London found out that half of the drugs sold online contain other substances or less active ingredients than those present in Viagra.

Sildenafil has competitors. In 1998, when the drug first appeared on the market, it was the only one of its kind. Now it has two competitors. The drug called Levitra, for example, begins to act 16 minutes after application, and its action lasts for 6 hours. In addition, it has fewer side effects.

Common side effects are:

headaches;

hot flushes;

dizziness;

rapid heartbeat;

indigestion;

blurred vision.

When used with other drugs, such as nitrates, this drug effect can be fatal. Pills side effects are infrequent and generally, do not require withdrawal.